IC反應器處理高濃度硫酸鹽廢水的啟動研究
采用木糖生產廢水，進行了（IC）反應器處理高濃度硫酸鹽有機廢水的啟動研究。結果表明，接種厭氧顆粒污泥，當進水COD/SO2-4值約為3.5時，控制COD負荷提高幅度為每次20%左右，經過26 d的馴化培養，COD和SO2-4負荷分別可達20 kg/(m3·d)和5.5 kg/(m3·d)，COD去除率達到80%以上，硫酸根還原率達到90%以上，產氣率約0.60 L/g COD，產氣量約120 L/d，反應器啟動成功。
Start-up of internal circulation(IC) reactor for treatment of high-strength sulfate wastewater was investigated fed with xylose wastewater. Results showed that the IC reactor could be started up successfully inoculated with anaerobic granular sludge, when the influent COD/SO2-4 ratio was 3.5, as well as the COD loading increased about 20% every time. After 26 days acclimation, the COD and SO2-4 load could be up to 20 kg/(m3·d) and 5.5 kg/(m3·d), respectively, the removal efficiency of COD was more than 80%, the SO2-4 reduction rate was more than 90%, the production rate of biogas was about 0.60 L/g COD, and the biogas production was about 120 L/d.
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